What was found
DURING LANDING, THE CREW SLOWED TO 210KTS, CAUSING THRUST TO REDUCE TO IDLE, ONCE AT IDLE A NR 2 ENGINE CONTROL FAULT MESSAGE APPEARED. THE CREW RAN THE QRH AND THE ENGINE WAS UNRESPONSIVE AND WAS STABLIZED IN AN IDLE. DECLARED AN EMERGENCY. A SINGLE ENGINE LANDING WAS PERFORMED. ON INSPECTION OF THE NR 2 ENGINE FOUND THE SCVGA OUT OF POSITION. REPOSITIONED AND SECURED THE NR 2 ENGINE SCVGA IAW ESM. OPS CHECKED GOOD, MESSAGE CLEARED. NO PRESENT MESSAGES. LEAK CHECKED GOOD NO FURTHER DEFECTS NOTED. OK FOR SERVICE.